drivers/infiniband/hw/mthca/mthca_cmd.h

   1 /*
   2  * Copyright (c) 2004, 2005 Topspin Communications.  All rights reserved.
   3  * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
   4  * Copyright (c) 2006 Cisco Systems.  All rights reserved.
   5  *
   6  * This software is available to you under a choice of one of two
   7  * licenses.  You may choose to be licensed under the terms of the GNU
   8  * General Public License (GPL) Version 2, available from the file
   9  * COPYING in the main directory of this source tree, or the
  10  * OpenIB.org BSD license below:
  11  *
  12  *     Redistribution and use in source and binary forms, with or
  13  *     without modification, are permitted provided that the following
  14  *     conditions are met:
  15  *
  16  *      - Redistributions of source code must retain the above
  17  *        copyright notice, this list of conditions and the following
  18  *        disclaimer.
  19  *
  20  *      - Redistributions in binary form must reproduce the above
  21  *        copyright notice, this list of conditions and the following
  22  *        disclaimer in the documentation and/or other materials
  23  *        provided with the distribution.
  24  *
  25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  32  * SOFTWARE.
  33  */
  34
  35 #ifndef MTHCA_CMD_H
  36 #define MTHCA_CMD_H
  37
  38 #include <rdma/ib_verbs.h>
  39
  40 #define MTHCA_MAILBOX_SIZE 4096
  41
  42 enum {
  43         /* command completed successfully: */
  44         MTHCA_CMD_STAT_OK             = 0x00,
  45         /* Internal error (such as a bus error) occurred while processing command: */
  46         MTHCA_CMD_STAT_INTERNAL_ERR   = 0x01,
  47         /* Operation/command not supported or opcode modifier not supported: */
  48         MTHCA_CMD_STAT_BAD_OP         = 0x02,
  49         /* Parameter not supported or parameter out of range: */
  50         MTHCA_CMD_STAT_BAD_PARAM      = 0x03,
  51         /* System not enabled or bad system state: */
  52         MTHCA_CMD_STAT_BAD_SYS_STATE  = 0x04,
  53         /* Attempt to access reserved or unallocaterd resource: */
  54         MTHCA_CMD_STAT_BAD_RESOURCE   = 0x05,
  55         /* Requested resource is currently executing a command, or is otherwise busy: */
  56         MTHCA_CMD_STAT_RESOURCE_BUSY  = 0x06,
  57         /* memory error: */
  58         MTHCA_CMD_STAT_DDR_MEM_ERR    = 0x07,
  59         /* Required capability exceeds device limits: */
  60         MTHCA_CMD_STAT_EXCEED_LIM     = 0x08,
  61         /* Resource is not in the appropriate state or ownership: */
  62         MTHCA_CMD_STAT_BAD_RES_STATE  = 0x09,
  63         /* Index out of range: */
  64         MTHCA_CMD_STAT_BAD_INDEX      = 0x0a,
  65         /* FW image corrupted: */
  66         MTHCA_CMD_STAT_BAD_NVMEM      = 0x0b,
  67         /* Attempt to modify a QP/EE which is not in the presumed state: */
  68         MTHCA_CMD_STAT_BAD_QPEE_STATE = 0x10,
  69         /* Bad segment parameters (Address/Size): */
  70         MTHCA_CMD_STAT_BAD_SEG_PARAM  = 0x20,
  71         /* Memory Region has Memory Windows bound to: */
  72         MTHCA_CMD_STAT_REG_BOUND      = 0x21,
  73         /* HCA local attached memory not present: */
  74         MTHCA_CMD_STAT_LAM_NOT_PRE    = 0x22,
  75         /* Bad management packet (silently discarded): */
  76         MTHCA_CMD_STAT_BAD_PKT        = 0x30,
  77         /* More outstanding CQEs in CQ than new CQ size: */
  78         MTHCA_CMD_STAT_BAD_SIZE       = 0x40
  79 };
  80
  81 enum {
  82         MTHCA_TRANS_INVALID = 0,
  83         MTHCA_TRANS_RST2INIT,
  84         MTHCA_TRANS_INIT2INIT,
  85         MTHCA_TRANS_INIT2RTR,
  86         MTHCA_TRANS_RTR2RTS,
  87         MTHCA_TRANS_RTS2RTS,
  88         MTHCA_TRANS_SQERR2RTS,
  89         MTHCA_TRANS_ANY2ERR,
  90         MTHCA_TRANS_RTS2SQD,
  91         MTHCA_TRANS_SQD2SQD,
  92         MTHCA_TRANS_SQD2RTS,
  93         MTHCA_TRANS_ANY2RST,
  94 };
  95
  96 enum {
  97         DEV_LIM_FLAG_RC                 = 1 << 0,
  98         DEV_LIM_FLAG_UC                 = 1 << 1,
  99         DEV_LIM_FLAG_UD                 = 1 << 2,
 100         DEV_LIM_FLAG_RD                 = 1 << 3,
 101         DEV_LIM_FLAG_RAW_IPV6           = 1 << 4,
 102         DEV_LIM_FLAG_RAW_ETHER          = 1 << 5,
 103         DEV_LIM_FLAG_SRQ                = 1 << 6,
 104         DEV_LIM_FLAG_IPOIB_CSUM         = 1 << 7,
 105         DEV_LIM_FLAG_BAD_PKEY_CNTR      = 1 << 8,
 106         DEV_LIM_FLAG_BAD_QKEY_CNTR      = 1 << 9,
 107         DEV_LIM_FLAG_MW                 = 1 << 16,
 108         DEV_LIM_FLAG_AUTO_PATH_MIG      = 1 << 17,
 109         DEV_LIM_FLAG_ATOMIC             = 1 << 18,
 110         DEV_LIM_FLAG_RAW_MULTI          = 1 << 19,
 111         DEV_LIM_FLAG_UD_AV_PORT_ENFORCE = 1 << 20,
 112         DEV_LIM_FLAG_UD_MULTI           = 1 << 21,
 113 };
 114
 115 struct mthca_mailbox {
 116         dma_addr_t dma;
 117         void      *buf;
 118 };
 119
 120 struct mthca_dev_lim {
 121         int max_srq_sz;
 122         int max_qp_sz;
 123         int reserved_qps;
 124         int max_qps;
 125         int reserved_srqs;
 126         int max_srqs;
 127         int reserved_eecs;
 128         int max_eecs;
 129         int max_cq_sz;
 130         int reserved_cqs;
 131         int max_cqs;
 132         int max_mpts;
 133         int reserved_eqs;
 134         int max_eqs;
 135         int reserved_mtts;
 136         int max_mrw_sz;
 137         int reserved_mrws;
 138         int max_mtt_seg;
 139         int max_requester_per_qp;
 140         int max_responder_per_qp;
 141         int max_rdma_global;
 142         int local_ca_ack_delay;
 143         int max_mtu;
 144         int max_port_width;
 145         int max_vl;
 146         int num_ports;
 147         int max_gids;
 148         u16 stat_rate_support;
 149         int max_pkeys;
 150         u32 flags;
 151         int reserved_uars;
 152         int uar_size;
 153         int min_page_sz;
 154         int max_sg;
 155         int max_desc_sz;
 156         int max_qp_per_mcg;
 157         int reserved_mgms;
 158         int max_mcgs;
 159         int reserved_pds;
 160         int max_pds;
 161         int reserved_rdds;
 162         int max_rdds;
 163         int eec_entry_sz;
 164         int qpc_entry_sz;
 165         int eeec_entry_sz;
 166         int eqpc_entry_sz;
 167         int eqc_entry_sz;
 168         int cqc_entry_sz;
 169         int srq_entry_sz;
 170         int uar_scratch_entry_sz;
 171         int mpt_entry_sz;
 172         union {
 173                 struct {
 174                         int max_avs;
 175                 } tavor;
 176                 struct {
 177                         int resize_srq;
 178                         int max_pbl_sz;
 179                         u8  bmme_flags;
 180                         u32 reserved_lkey;
 181                         int lam_required;
 182                         u64 max_icm_sz;
 183                 } arbel;
 184         } hca;
 185 };
 186
 187 struct mthca_adapter {
 188         u32  vendor_id;
 189         u32  device_id;
 190         u32  revision_id;
 191         char board_id[MTHCA_BOARD_ID_LEN];
 192         u8   inta_pin;
 193 };
 194
 195 struct mthca_init_hca_param {
 196         u64 qpc_base;
 197         u64 eec_base;
 198         u64 srqc_base;
 199         u64 cqc_base;
 200         u64 eqpc_base;
 201         u64 eeec_base;
 202         u64 eqc_base;
 203         u64 rdb_base;
 204         u64 mc_base;
 205         u64 mpt_base;
 206         u64 mtt_base;
 207         u64 uar_scratch_base;
 208         u64 uarc_base;
 209         u16 log_mc_entry_sz;
 210         u16 mc_hash_sz;
 211         u8  log_num_qps;
 212         u8  log_num_eecs;
 213         u8  log_num_srqs;
 214         u8  log_num_cqs;
 215         u8  log_num_eqs;
 216         u8  log_mc_table_sz;
 217         u8  mtt_seg_sz;
 218         u8  log_mpt_sz;
 219         u8  log_uar_sz;
 220         u8  log_uarc_sz;
 221 };
 222
 223 struct mthca_init_ib_param {
 224         int port_width;
 225         int vl_cap;
 226         int mtu_cap;
 227         u16 gid_cap;
 228         u16 pkey_cap;
 229         int set_guid0;
 230         u64 guid0;
 231         int set_node_guid;
 232         u64 node_guid;
 233         int set_si_guid;
 234         u64 si_guid;
 235 };
 236
 237 struct mthca_set_ib_param {
 238         int set_si_guid;
 239         int reset_qkey_viol;
 240         u64 si_guid;
 241         u32 cap_mask;
 242 };
 243
 244 int mthca_cmd_init(struct mthca_dev *dev);
 245 void mthca_cmd_cleanup(struct mthca_dev *dev);
 246 int mthca_cmd_use_events(struct mthca_dev *dev);
 247 void mthca_cmd_use_polling(struct mthca_dev *dev);
 248 void mthca_cmd_event(struct mthca_dev *dev, u16 token,
 249                      u8  status, u64 out_param);
 250
 251 struct mthca_mailbox *mthca_alloc_mailbox(struct mthca_dev *dev,
 252                                           gfp_t gfp_mask);
 253 void mthca_free_mailbox(struct mthca_dev *dev, struct mthca_mailbox *mailbox);
 254
 255 int mthca_SYS_EN(struct mthca_dev *dev);
 256 int mthca_SYS_DIS(struct mthca_dev *dev);
 257 int mthca_MAP_FA(struct mthca_dev *dev, struct mthca_icm *icm);
 258 int mthca_UNMAP_FA(struct mthca_dev *dev);
 259 int mthca_RUN_FW(struct mthca_dev *dev);
 260 int mthca_QUERY_FW(struct mthca_dev *dev);
 261 int mthca_ENABLE_LAM(struct mthca_dev *dev);
 262 int mthca_DISABLE_LAM(struct mthca_dev *dev);
 263 int mthca_QUERY_DDR(struct mthca_dev *dev);
 264 int mthca_QUERY_DEV_LIM(struct mthca_dev *dev,
 265                         struct mthca_dev_lim *dev_lim);
 266 int mthca_QUERY_ADAPTER(struct mthca_dev *dev,
 267                         struct mthca_adapter *adapter);
 268 int mthca_INIT_HCA(struct mthca_dev *dev,
 269                    struct mthca_init_hca_param *param);
 270 int mthca_INIT_IB(struct mthca_dev *dev,
 271                   struct mthca_init_ib_param *param,
 272                   int port);
 273 int mthca_CLOSE_IB(struct mthca_dev *dev, int port);
 274 int mthca_CLOSE_HCA(struct mthca_dev *dev, int panic);
 275 int mthca_SET_IB(struct mthca_dev *dev, struct mthca_set_ib_param *param,
 276                  int port);
 277 int mthca_MAP_ICM(struct mthca_dev *dev, struct mthca_icm *icm, u64 virt);
 278 int mthca_MAP_ICM_page(struct mthca_dev *dev, u64 dma_addr, u64 virt);
 279 int mthca_UNMAP_ICM(struct mthca_dev *dev, u64 virt, u32 page_count);
 280 int mthca_MAP_ICM_AUX(struct mthca_dev *dev, struct mthca_icm *icm);
 281 int mthca_UNMAP_ICM_AUX(struct mthca_dev *dev);
 282 int mthca_SET_ICM_SIZE(struct mthca_dev *dev, u64 icm_size, u64 *aux_pages);
 283 int mthca_SW2HW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 284                     int mpt_index);
 285 int mthca_HW2SW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 286                     int mpt_index);
 287 int mthca_WRITE_MTT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 288                     int num_mtt);
 289 int mthca_SYNC_TPT(struct mthca_dev *dev);
 290 int mthca_MAP_EQ(struct mthca_dev *dev, u64 event_mask, int unmap,
 291                  int eq_num);
 292 int mthca_SW2HW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 293                    int eq_num);
 294 int mthca_HW2SW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 295                    int eq_num);
 296 int mthca_SW2HW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 297                    int cq_num);
 298 int mthca_HW2SW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 299                    int cq_num);
 300 int mthca_RESIZE_CQ(struct mthca_dev *dev, int cq_num, u32 lkey, u8 log_size);
 301 int mthca_SW2HW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 302                     int srq_num);
 303 int mthca_HW2SW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 304                     int srq_num);
 305 int mthca_QUERY_SRQ(struct mthca_dev *dev, u32 num,
 306                     struct mthca_mailbox *mailbox);
 307 int mthca_ARM_SRQ(struct mthca_dev *dev, int srq_num, int limit);
 308 int mthca_MODIFY_QP(struct mthca_dev *dev, enum ib_qp_state cur,
 309                     enum ib_qp_state next, u32 num, int is_ee,
 310                     struct mthca_mailbox *mailbox, u32 optmask);
 311 int mthca_QUERY_QP(struct mthca_dev *dev, u32 num, int is_ee,
 312                    struct mthca_mailbox *mailbox);
 313 int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn);
 314 int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey,
 315                   int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
 316                   const void *in_mad, void *response_mad);
 317 int mthca_READ_MGM(struct mthca_dev *dev, int index,
 318                    struct mthca_mailbox *mailbox);
 319 int mthca_WRITE_MGM(struct mthca_dev *dev, int index,
 320                     struct mthca_mailbox *mailbox);
 321 int mthca_MGID_HASH(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 322                     u16 *hash);
 323 int mthca_NOP(struct mthca_dev *dev);
 324
 325 #endif /* MTHCA_CMD_H */